https://www.selleckchem.com/pr....oducts/rucaparib.htm
BACKGROUND EGFR tyrosine kinase inhibitors (TKIs) have shifted the treatment paradigm in advanced EGFR-mutant non-small cell lung cancer (NSCLC). However, patients who are treated with TKIs inevitably develop acquired resistance by mechanisms that are not fully understood. The purpose of this study was to investigate the mechanism of acquired resistance after treatment with third-generation EGFR TKIs. METHODS Advanced EGFR-mutant NSCLC patients treated with olmutinib or osimertinib who underwent a rebiopsy before treatment or after pr